From: Jian Shen shenjian15@huawei.com
mainline inclusion from mainline-v5.19-rc1 commit 283847e3ef6d category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5DGNU CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...
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It's unnecessary to push link state to unalive VF, and the VF will query link state from PF when it being start works.
Fixes: 18b6e31f8bf4 ("net: hns3: PF add support for pushing link status to VFs") Signed-off-by: Jian Shen shenjian15@huawei.com Signed-off-by: Guangbin Huang huangguangbin2@huawei.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Jiantao Xiao xiaojiantao1@h-partners.com Reviewed-by: Jian Shen shenjian15@huawei.com Reviewed-by: Yue Haibing yuehaibing@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 57aaa2f1536f..0c27e9e98fe8 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -3376,6 +3376,12 @@ static int hclge_set_vf_link_state(struct hnae3_handle *handle, int vf, link_state_old = vport->vf_info.link_state; vport->vf_info.link_state = link_state;
+ /* return success directly if the VF is unalive, VF will + * query link state itself when it starts work. + */ + if (!test_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state)) + return 0; + ret = hclge_push_vf_link_status(vport); if (ret) { vport->vf_info.link_state = link_state_old;